/**
 * Copyright (C) 2009 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */


package c9;

import java.util.concurrent.locks.ReentrantLock;
import java.util.concurrent.locks.Lock;

public class ConcurrentPublication {

    private Lock lock = new ReentrantLock();
    private MyObject obj;

    public void constructObj() {

        lock.lock();
        try {
            obj = new MyObject();
        } finally {
            lock.unlock();
        }

        //other threads can safely access obj's fields now
    }

  class MyObject {}
}
